AH-JL-01 AIS positioning life jacket light is a portable emergency position indicating alarm device that can be installed on life jackets and thermal survival suits. The device adopts the MSC specification standard of the existing life-saving equipment position indicator light and integrates AIS equipment technology on this basis. On the basis of line-of-sight search, search and rescue personnel can locate the distress location information sent by people in distress. This information can be received by all installed AIS receivers, AIS collision avoidance navigators, ship automatic identification systems, navigation warning aircraft, shore base stations and buoys within 4 nautical miles around. This innovation enables rapid rescue response and improves search and rescue efficiency. The equipment is composed of AIS transmitting circuit, GNSS positioning, antenna, battery and other parts. It can work continuously for more than 48 hours in an emergency and can be widely used in various search and rescue systems. The AH-JL-01 type terminal realizes ultra-low power consumption design, and the validity period of the terminal can reach 5 years.